Is SQL necessary?

Question

Why do we need to study SQL? Is it really necessary?

Answer 1

If you want to create a dynamic website sql is useful, it's for database manipulation

Answer 2

SQL is a database. Database plays a crucial part in web programming.

If Facebook run without their database, you will get an empty blue frame Facebook page without any contents, images, videos...

Answer 3

But can I write a webpage without using SQL?

Answer 4

Yes if it's a static website